Home / 25,135.17-34,685.15-13,806.15

Finding the Fourth Proportional to 25,135.17, 34,685.15 and 13,806.15

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Solution

The fourth proportional to 25,135.17, 34,685.15 and 13,806.15 is: 19,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,135.17 : 34,685.15 = 13,806.15 : x
  2. Step 2: Convert to fraction form
    25,135.17/34,685.15 = 13,806.15/x
  3. Step 3: Cross multiply
    25,135.17x = 34,685.15 × 13,806.15
  4. Step 4: Simplify right side
    25,135.17x = 478,868,314.64
  5. Step 5: Solve for x
    x = 478,868,314.64/25,135.17
  6. Step 6: Final answer
    x = 19,051.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.